Search a number
-
+
440868007 = 974545031
BaseRepresentation
bin11010010001110…
…001110010100111
31010201120102012201
4122101301302213
51400330234012
6111425155331
713632213316
oct3221616247
91121512181
10440868007
11206949728
1210378bb47
1370450258
14427a227d
1528a87857
hex1a471ca7

440868007 has 4 divisors (see below), whose sum is σ = 445413136. Its totient is φ = 436322880.

The previous prime is 440867993. The next prime is 440868023. The reversal of 440868007 is 700868044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 440868007 - 27 = 440867879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440868047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2272419 + ... + 2272612.

It is an arithmetic number, because the mean of its divisors is an integer number (111353284).

Almost surely, 2440868007 is an apocalyptic number.

440868007 is a deficient number, since it is larger than the sum of its proper divisors (4545129).

440868007 is an equidigital number, since it uses as much as digits as its factorization.

440868007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545128.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 440868007 is about 20996.8570743338. The cubic root of 440868007 is about 761.0903135257.

Adding to 440868007 its sum of digits (37), we get a palindrome (440868044).

The spelling of 440868007 in words is "four hundred forty million, eight hundred sixty-eight thousand, seven".

Divisors: 1 97 4545031 440868007